f connections.Do not chassis ground any speakers connectedto this or any other JL Audio amplifier. Doing so willcause the amplifier to go into protection and mutethe output.The 250/1's speaker connectors are designedto accept 12 AWG – 8 AWG wire.To connect the speaker wires to the amplifier,first back out the set screws on the top of theamplifier, using the supplied 2.5 mm